I am experiencing firmware issues with the Holybro Pixhawk 4 Mini. The Pixhawk 4 Mini comes pre-installed with PX4 v1.8.0 dev according to the product page: https://shop.holybro.com/pixhawk4-mini_p1120.html Out of the box it functions fine, but when I updated the firmware to v1.8.2 stable I get t…

I had the same problem. After firmware update with QGC to the latest stable version there was IO error, no communication with receiver, no blue led. Only update to developer build was possible. Following the description of px4.io I set up all tools (MAC) and finally with: bash ulimit -S -n 2048 …

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I had the same issue using QGroundControl to set up a new Pixhawk 4 mini, e.g, “failure to communicate with IO”. I found it was not an issue with the FC, but with the computer I was using. I switched to another one and all was good.

I contacted Holybro and was told that the Pixhawk 4 Mini does not support 1.8.2. The Pixhawk 4 Mini requires the developer build (master) for functional I/O. 1.9.0 beta is working.

Pixhawk 4 Mini Failed to Communicate with IO

Pixhawk

motoAK March 19, 2019, 2:46am 4

Check out this post: PixHawk 4 Mini PX4IO not found I had a similar issue.

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Pixhawk 4 Mini Failed to Communicate with IO

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